Orthodontic appliance



FIG. 1 is a perspective view of an orthodontic appliance showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side being amirror image;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a second embodiment thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a left side elevational view thereof, the right side being amirror image;

FIG. 11 is a front elevational view thereof; and

FIG. 12 is a rear elevational view thereof.

The ornamental design for an orthodontic appliance, as shown anddescribed.